There are three elements, carbon, oxygen and hydrogen. Carbon's oxidation number is -4, each hydrogen is +1 and oxygen is +2.
C = 0
H = 1+
O = 2-
+4
To calculate the oxidation state of fluorine in O2F2, first draw a diagram of the molecule: F-O-O-F Determine the most electronegative atom(s), which are fluorines -- the most electronegative atom there is. Being in the group 7A, a fluoride ion would gain an electron to a -1 charge, so each has an oxidation number of -1. The oxygens, therefore, have an oxidation number of +1 each.
The whole compound is seen to be neutral (0 oxidation state) as there are no ''-/+'' which indicate the overall charge of the compound. Although within almost all situations O has a -2 oxidation state. With this being now known and we know the whole compound is neutral (0) we can then see N must have the oxidation state of +2. 0 = (-2) + (+2)
In the bromate ion (BrO3-) bromine is in the 5+ oxidation stae while the oxygen atoms are in the 2- oxidation state.
+5. In oxyacids, oxygen has an oxidation state of -2 and hydrogen an oxidation state of +1. Therefore, the single chlorine atom must have an oxidation state of +5 for the total oxidation states to add to zero.+5. In oxyacids, oxygen has an oxidation state of -2 and hydrogen an oxidation state of +1
The hydrogen atoms are each in the 1+ oxidation state. The oxygen is in it's 2- oxidation state.
+4
This compound is not possible, but if it had been, the oxygen should have oxidation state of -4
Copper: 2+Oxygen: 2-Nitrogen: 5+
For any element before reaction, its oxidation number is 0. Molecules made from the atoms of the same element have 0 oxidation state in each atom. Examples are gaseous hydrogen and liquid bromine.
In this ion the oxidation state of sulfur is 6+ and the oxidation state of each oxygen is 2-
In NaBrO3 the oxidation state of sodium (Na) is 1+, the oxidation state of bromine is 5+ and the oxidation state of each oxygen atom is 2-
It contains only two elements. N shows +1 and oxygen shows -2.
Minimum oxidation number: -1 Maximum oxidation number: 1 Min. common oxidation no.: 0 Max. common oxidation no.: 1 I got this of a really cool website that has alot of infromation and useful facts about each element and trust me you'll use it a lot in chemistry. www.chemicool.com
1. NH4Cl is an electrically neutral compound, so the sum of the oxidation states must be zero. 2. Nitrogen is a Group 5 element and is assigned an oxidation state of -3. 3. In its covalent compounds with nonmetals, hydrogen is assigned an oxidation state of +1. There are 4 hydrogen atoms, so contributes a charge of +4. 4. The oxidation state of a monatomic ion is the same as its charge. As a Group 7 element, chlorine is assigned an oxidation state of -1. 5. Adding up the oxidation states, -3, +4, -1, gives an overall charge of 0.
K[CuCl2]
Oxidation state is what determines the number of each atom. This is in the ionic formula.